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Cheap flights from Ontario to Key West from C$ 299

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — EYW
3 May — 10 May1
1 adult

Cheap flight deals from Ontario to Key West

Keep the following information in mind while searching for Ontario to Key West flight deals. Data was last updated 28 April 2025.

Round-trip from

C$ 521

One-way from

C$ 299

Popular in

June

Cheapest in

May

Average price

C$ 931
United Airlines
  • United Airlines
  • 9/6-16/6
  • 4 total stops
  • 50h 09m total
  • Ontario to Key West
11/6
  • 11/6
  • 1 total stop
  • 11h 20m total
  • Ontario to Key West
High demand for flights, 4% potential price rise
Cheapest flight prices on average. 1% potential price decrease (C$ 19 potential savings vs. average RT price).
Average for round-trip flights in April 2025

Find flight deals from Ontario to Key West

Cheapest flights from Ontario to Key West
Explore the most affordable flight options available from Ontario to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 April 2025.

Mon 9/67:47 p.m.YYZ - EYW
2 stops22h 18mUnited Airlines
Mon 16/66:45 p.m.EYW - YYZ
2 stops27h 51mUnited Airlines
Deal found 27/4C$ 521
Thu 19/67:15 a.m.YYZ - EYW
1 stop6h 02mMultiple Airlines
Sat 28/63:58 p.m.EYW - YYZ
1 stop22h 31mMultiple Airlines
Deal found 28/4C$ 598
Sat 21/66:15 a.m.YUL - EYW
2 stops25h 45mUnited Airlines
Sat 28/66:45 p.m.EYW - YUL
2 stops22h 41mUnited Airlines
Deal found 27/4C$ 673
Sat 21/68:10 a.m.YUL - EYW
2 stops23h 50mMultiple Airlines
Sat 28/66:45 p.m.EYW - YUL
1 stop20h 40mMultiple Airlines
Deal found 27/4C$ 711
Mon 9/66:15 a.m.YYZ - EYW
2 stops13h 24mDelta
Mon 16/62:05 p.m.EYW - YYZ
1 stop7h 54mDelta
Deal found 27/4C$ 724
Fri 23/56:00 a.m.YYZ - EYW
1 stop10h 52mAmerican Airlines
Fri 30/51:39 p.m.EYW - YYZ
1 stop10h 12mAmerican Airlines
Deal found 26/4C$ 741
Thu 15/57:15 a.m.YYZ - EYW
2 stops11h 34mWestJet Encore
Tue 20/52:18 p.m.EYW - YYZ
1 stop19h 35mWestJet Encore
Deal found 27/4C$ 814
Wed 11/612:45 p.m.YUL - EYW
1 stop6h 54mDelta
Wed 18/62:05 p.m.EYW - YUL
1 stop9h 49mDelta
Deal found 27/4C$ 824
Sat 21/67:50 a.m.YUL - EYW
1 stop5h 59mAmerican Airlines
Sat 28/611:39 a.m.EYW - YUL
1 stop11h 41mAmerican Airlines
Deal found 27/4C$ 906
Thu 15/57:45 a.m.YYZ - EYW
1 stop9h 45mWestJet
Tue 20/57:00 a.m.EYW - YYZ
1 stop5h 14mWestJet
Deal found 28/4C$ 911

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Key West that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 28 April 2025.
Use the filters below to find and compare flights from Ontario to Key West that are best for you.

Fly from

Ontario

Fly to

Key West

Route

Depart

Return

Price

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Mon 9/6

7:47 p.m.-6:05 p.m.

2 stops22h 18m

Key West

Mon 16/6

6:45 p.m.-10:36 p.m.

2 stops27h 51m

C$ 521

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Thu 19/6

7:15 a.m.-1:17 p.m.

1 stop6h 02m

Key West

Sat 28/6

3:58 p.m.-2:29 p.m.

1 stop22h 31m

C$ 598

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sat 21/6

6:15 a.m.-8:00 a.m.

2 stops25h 45m

Key West

Sat 28/6

6:45 p.m.-5:26 p.m.

2 stops22h 41m

C$ 673

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sat 21/6

8:10 a.m.-8:00 a.m.

2 stops23h 50m

Key West

Sat 28/6

6:45 p.m.-3:25 p.m.

1 stop20h 40m

C$ 711

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Mon 9/6

6:15 a.m.-7:39 p.m.

2 stops13h 24m

Key West

Mon 16/6

2:05 p.m.-9:59 p.m.

1 stop7h 54m

C$ 724

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Fri 23/5

6:00 a.m.-4:52 p.m.

1 stop10h 52m

Key West

Fri 30/5

1:39 p.m.-11:51 p.m.

1 stop10h 12m

C$ 741

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Thu 15/5

7:15 a.m.-6:49 p.m.

2 stops11h 34m

Key West

Tue 20/5

2:18 p.m.-9:53 a.m.

1 stop19h 35m

C$ 814

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Wed 11/6

12:45 p.m.-7:39 p.m.

1 stop6h 54m

Key West

Wed 18/6

2:05 p.m.-11:54 p.m.

1 stop9h 49m

C$ 824

MontrealKey West

YUL - EYW

YULEYW

Montreal Pierre Elliott Trudeau Intl

Sat 21/6

7:50 a.m.-1:49 p.m.

1 stop5h 59m

Key West

Sat 28/6

11:39 a.m.-11:20 p.m.

1 stop11h 41m

C$ 906

TorontoKey West

YYZ - EYW

YYZEYW

Toronto Pearson Intl

Thu 15/5

7:45 a.m.-5:30 p.m.

1 stop9h 45m

Key West

Tue 20/5

7:00 a.m.-12:14 p.m.

1 stop5h 14m

C$ 911

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/4

Showing 1-10 of 12 results
1
2

Best time to book a flight from Ontario to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Key West

What is the cheapest time of day to fly from ON to EYW?

Find hourly flight availability from Ontario to Key West. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 April 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Key West as you normally would.

Rainfall in Key West by month

Plan your trip to Key West by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Key West ranges from 38.0 - 170.0 mm per month. September is typically the wettest month, when rainfall can reach 170.0 mm. February is typically the driest time to visit Key West when rainfall is around 38.0 mm.

Temperature in Key West by month

Plan your trip to Key West by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Key West, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.0 C).

Reviews of airlines servicing Key West

Get insights into the airlines that provide service to Key West. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Key West. Reviews last updated 28 April 2025.
See what other customers who have flown with Delta, United Airlines and American Airlines from Ontario to Key West have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
4.0
Okay

Richard,Sep 2023

YYZ - ATL

Four hour delay (missing two screws). Seats in need of repair.
8.0
Very good

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
4.0
Okay

Richard,Sep 2023

YYZ - ATL

Four hour delay (missing two screws). Seats in need of repair.

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
4.0
Okay

Richard,Sep 2023

YYZ - ATL

Four hour delay (missing two screws). Seats in need of repair.

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
4.0
Okay

Richard,Sep 2023

YYZ - ATL

Four hour delay (missing two screws). Seats in need of repair.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Key West. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Key West from Ontario?

    If you book a flight to Key West from Ontario, you will be flying to Key West, which is the city’s only airport. Key West (EYW) is located 4.2 km from the centre of Key West.

  • What are the most popular routes from Region of Ontario to Key West?

  • Can I find deals for flights from Ontario to Key West that include hotel bookings?

    Yes. In addition to deals on Ontario to Key West flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Key West?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Key West.

  • Can I find deals for business class flights from Ontario to Key West?

    Yes. Cheapflights offers flight deals from Ontario to Key West by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Ontario to Key West

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Ontario to Key West

Discover the top 4 airlines that operate flights from Ontario to Key West. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 28 April 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 412AverageC$ 738FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 678AverageC$ 793FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 702AverageC$ 977FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 787AverageC$ 920FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Key West?

Cheapflights makes it easy to find Ontario to Key West flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Key West?

Cheapflights helps you find that perfect flight to Key West from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ontario to Key West with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ontario to Key West flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ontario to Key West become cheaper?

Yes, Cheapflights offers price alerts on Ontario to Key West flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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